Well that's what I get for calling source! After a quick glance in the owners guide - no, you didn't misinterpret. The guide is wrong. I have no idea why they would put that there.

Obviously, the external input isn't limited to DACs. It's a line level input.

Source on that? My CMA 600i throughputs the RCA input to the RCA pre out just fine. I have a RIAA stage hooked up, and use the 600i for both headphones and power amplifier.

Also, has anyone here compared the NFB-28 to the Burson Conductor/Virtuoso/v2+? I've searched the internets, and found plenty of comparison with the Oppo HA-1, but not so much with the Bursons. 

Hi!    I'm hoping one of you guys/gals could help a prospective nfb-28 owner out. I need some physical measurements, as  its going into a very tight space depth-wise. I'd turn to A-gd, but language barriers...   What I need is 1) Complete depth, including back connectors and volume knob...

Hello, longtime professional lurker and proud owner of the WA6 SE here :)    This got me interested - I've done some tube rolling, and found that the rectifier does more for sound than the driver tubes. So I have to ask - do you think that the driver tubes add enough of "tubeness" to justify...